Yes I have read through that, I think I will get an old windsheild wiper motor and use a H bridge to hook it up to the servo
On May 24, 4:35 pm, Frank Pittelli <[email protected]> wrote: > Seehttp://www.rctankcombat.com/articles/speed-control/for a discussion > of various motor control solutions. The Tri-Pact Speed Control provides > on-off, tank-style control of two motors. > > Frank P. > > On 5/24/2011 6:12 PM, mike wrote: > > > > > Ok thanks, Im new to this so I dont mean to sound like an idoit but > > what do you mean by (on off) steering? > > > On May 24, 2:47 pm, Frank Pittelli<[email protected]> wrote: > >> You can certainly rig a motor to move the steering rod, but the hard > >> part is getting it to move proportionally with the joystick and, more > >> importantly, return to center when you let go of the joystick. That's > >> what the jumbo servo circuit did, but it was old technology and they > >> apparently haven't upgraded the design. > > >> One of the things on my "electronics to-do list" is to design such a > >> circuit using modern parts. But, since tank-style steering for wheeled > >> vehicles is a simpler, cheaper and more reliable solution, I don't think > >> it will ever rise to the top of my list. > > >> My advice: Give simple on-off steering a chance before spending time on > >> something more complicated. Even if you've already built the steering > >> linkages, just bolt them in place and steer using the motors. If you > >> want to add real steering later, un-bold the linkages and install a > >> steering motor. > > >> Frank P. > > >> On 5/24/2011 5:36 PM, mike wrote: > > >>> Any suggestions on were to look now? Or could I rig up a electric > >>> motor to turn it? WIll it have enough power? > > >>> On May 24, 2:29 pm, Frank Pittelli<[email protected]> wrote: > >>>> Sorry, the search term is "jumbo servo". Unfortunately, it looks like > >>>> Oatley no longer sells that kit. > > >>>> Frank P. > > >>>> On 5/24/2011 4:48 PM, mike wrote: > > >>>>> What is it called/ what do I look up on the site Oatley to find the > >>>>> servo? > > >>>>> On May 24, 6:27 am, Frank Pittelli<[email protected]> wrote: > >>>>>> The only practical solution for actually steering a car involves the > >>>>>> use > >>>>>> of a strong servo/motor combination, a so-called "jumbo servo", that > >>>>>> returns to center when you let go of the joystick. You can find at > >>>>>> least > >>>>>> one commercial kit to build the electronics from Oatley. There are > >>>>>> also > >>>>>> a number of articles on the Internet that explain how to re-purpose a > >>>>>> standard servo to drive a large motor. > > >>>>>> Frank P. > > >>>>>> On 5/23/2011 8:51 PM, mike wrote: > > >>>>>>> Greetings, I am building a 3 foot armored car. I have the steering set > >>>>>>> up like the real one had. > >>>>>>> My big problem is that I dont know what servo/ electric motor to > >>>>>>> use > >>>>>>> to steer this beast. Probely going to weigh around 100 pounds. What is > >>>>>>> the best way to steer this? Meaning what servo/ electric motor would > >>>>>>> be strong enough to steer the 100 pound car. > > >>>>>>> (I will also drive around the 22 acrea yard, So I need all the power I > >>>>>>> can get. > > >>>>>>> Thanks for your time.- Hide quoted text - > > >>>>>> - Show quoted text -- Hide quoted text - > > >>>> - Show quoted text -- Hide quoted text - > > >> - Show quoted text -- Hide quoted text - > > - Show quoted text - -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat
